Grundfos CIU 501 Instructions

Appendix
49
A.3 Login
Fig. 29 Login
A.4 Modbus TCP configuration
Fig. 30 Real Time Ethernet Protocol Configuration - Modbus TCP
TM05 6063 4412
User name Enter user name. Default: admin.
Password Enter password. Default: Grundfos.
Note
User name and password can be changed on the
web server under "Grundfos Management"
TM05 6064 4412
Object Description
TCP Port Number
The default value is 502, the official IANA-assigned Modbus TCP port number. Number 502 will always be
active implicitly.
If you select another value in the Web server configuration field, both the new value and value 502 will be
active.
IP Address The static IP address for CIM 500 on the Modbus TCP network.
Subnet mask The subnet mask for the CIM 500 module on the Modbus TCP network.
Gateway The default gateway for the Modbus TCP network.
Use DHCP
The CIM 500 module can be configured to automatically obtain the IP address from a DHCP server on the
network.

Grundfos CIU 501 Specifications

General

Brand	Grundfos
Model	CIU 501
Category	Controller
Language	English